body {
    font-family: 'Poppins', sans-serif;
    background: url('picture/background.jpg') no-repeat center center; /* Keep the background image */
    background-size: contain; /* Reduce zoom effect by using 'contain' */
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    color: #333;
    background-color: #ffffff; /* Add a light background color for empty spaces */
}

.container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
}

h2 {
    color: #5a67d8;
}

input, select, button {
    width: 100%;
    padding: 10px;
    margin: 8px 0;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1em;
}

button {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #ff7eb3, #ff758c);
    color: #fff;
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1em;
    transition: background 0.3s ease, transform 0.2s ease;
}

button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #ff758c, #ff7eb3);
    transition: left 0.5s ease-in-out;
    z-index: 1;
}

button:hover::before {
    left: 100%;
}

button:hover {
    transform: scale(1.05);
}

button span {
    position: relative;
    z-index: 2;
}

button:hover {
    background: linear-gradient(135deg, #2575fc 0%, #6a11cb 100%);
    transform: scale(1.05);
}

button.loading {
    position: relative;
    color: transparent; /* Hide button text */
    pointer-events: none; /* Disable further clicks */
}

button.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.6);
    border-top: 3px solid #fff;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    100% {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

.error-message {
    color: red;
    font-size: 0.9em;
    margin-top: 10px;
}
/* Style for loading spinner */
.spinner {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    border: 10px solid rgba(0, 0, 0, 0.1);
    border-top: 10px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    z-index: 9999;
}

.spinner::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    background: radial-gradient(circle, #3498db 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: microscopy 1.5s infinite;
}

@keyframes microscopy {
    0% {
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
    }
    100% {
        transform: translate(-50%, -50%) scale(1);
    }
}

/* Container to keep everything aligned */
.container {
    width: 90%;
    max-width: 400px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 8px;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.1);
}

/* Styling for the input fields with icons inside */
.input-group {
    position: relative;
    margin-bottom: 10px; /* Reduce spacing between input fields */
}

.input-group .icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #888;
    font-size: 16px;
    pointer-events: none;
}

.input-group input[type="email"],
.input-group input[type="password"],
.input-group input[type="text"],
.input-group select {
    width: 100%;
    padding: 8px 10px 8px 35px; /* Reduce padding for better fit */
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box;
    font-size: 0.9em; /* Slightly smaller font size */
}

/* Special styling for password field */
.input-group .icon.lock-icon {
    right: 12px;
    left: auto;
}

/* Styling for the toggle password eye icon */
.input-group .toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #888;
    font-size: 16px;
    cursor: pointer;
    z-index: 10;
}

.input-group .toggle-password:hover {
    color: #007bff;
}

.input-group input:focus,
.input-group select:focus {
    border-color: #007bff;
    outline: none;
}

/* Button styling */
button {
    width: 100%;
    padding: 10px 15px; /* Reduce button padding */
    margin-top: 10px;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9em; /* Slightly smaller font size */
    box-sizing: border-box;
}

button:hover {
    background-color: #0056b3;
}

/* Error and info messages styling */
.error-message {
    color: red;
    font-size: 14px;
    margin-top: 5px;
    text-align: center;
}

/* Spinner Styling */
.spinner {
    text-align: center;
    margin-top: 10px;
}

.spinner i {
    font-size: 24px;
    color: #007bff;
}

/* Remove styles for double-panel-container and panels */
.double-panel-container {
    display: none; /* No longer needed */
}

.panel {
    display: none; /* No longer needed */
}

/* Adjust container for single-panel layout */
.container {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 8px;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
}

/* Adjust heading styles */
h2 {
    font-size: 1.5em;
    color: #333;
    margin-bottom: 15px;
}

/* Hide sections dynamically */
.hidden {
    display: none;
}

/* Add subtle animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.panel h2,
.input-group,
button {
    animation: fadeIn 0.5s ease-in-out;
}

/* Add a scrollbar style for better appearance */
.panel::-webkit-scrollbar {
    width: 8px;
}

.panel::-webkit-scrollbar-thumb {
    background: #6a11cb;
    border-radius: 4px;
}

.panel::-webkit-scrollbar-thumb:hover {
    background: #2575fc;
}

/* General icon styling */
.input-group .icon,
.input-group .toggle-password,
.panel h2 i,
.panel-toggle button i {
    color: #6a11cb; /* Default icon color */
    transition: color 0.3s ease;
}

/* Hover effect for icons */
.input-group .icon:hover,
.input-group .toggle-password:hover,
.panel h2 i:hover,
.panel-toggle button i:hover {
    color: #2575fc; /* Change color on hover */
}

/* Specific styling for panel headings' icons */
.panel h2 i {
    font-size: 1.2em; /* Slightly larger size for heading icons */
    margin-right: 8px; /* Add spacing between icon and text */
}

/* Specific styling for toggle password eye icon */
.input-group .toggle-password {
    font-size: 18px; /* Slightly larger size for better visibility */
}

/* Styling for panel toggle buttons' icons */
.panel-toggle button i {
    margin-right: 5px; /* Add spacing between icon and text */
    font-size: 1em; /* Match button font size */
}

/* Welcome panel styling */
/* .welcome-panel {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 8px;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
    animation: fadeIn 0.5s ease-in-out;
    background: linear-gradient(135deg, rgba(106, 17, 203, 0.8), rgba(37, 117, 252, 0.8)), 
                url('background-image.jpg') no-repeat center center;
    background-size: cover;
}

.welcome-panel h2 {
    font-size: 1.8em;
    color: #5a67d8;
    margin-bottom: 10px;
}

.welcome-panel p {
    font-size: 1em;
    color: #333;
    margin-bottom: 15px;
}

.welcome-panel button {
    background: linear-gradient(135deg, #ff7eb3, #ff758c);
    color: #fff;
    border: none;
    padding: 12px 25px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1em;
    transition: background 0.3s ease, transform 0.2s ease;
}

.welcome-panel button:hover {
    background: linear-gradient(135deg, #ff758c, #ff7eb3);
    transform: scale(1.05);
} */

/* Side-by-side container */
.side-by-side-container {
    display: flex;
    flex-direction: row;
    width: 100%;
    max-width: 900px;
    height: 600px; /* Increased height for better spacing */
    margin: 0 auto;
    background: #fff;
    border-radius: 15px;
    box-shadow: 0px 10px 20px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    position: relative;
    background: url('picture/backlab.jpg') no-repeat center center; /* Add background image */
    background-size: cover; /* Ensure the image covers the entire container */
}

/* Welcome panel */
.welcome-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 40px; /* Increased padding for better spacing */
    background: linear-gradient(135deg, rgba(106, 17, 203, 0.8), rgba(37, 117, 252, 0.8)), 
                url('picture/microscope2.jpg') no-repeat center center; /* Keep the existing image */
    background-size: cover; /* Ensure the image covers the panel */
    color: #fff;
    transition: transform 0.5s ease-in-out;
    box-sizing: border-box; /* Ensure padding doesn't overflow */
    height: 100%;
}

.welcome-panel h2 {
    font-size: 2em; /* Larger font size for better visibility */
    margin-bottom: 15px;
}

.welcome-panel p {
    font-size: 1.2em; /* Slightly larger font size */
    margin-bottom: 20px;
    line-height: 1.5; /* Improve readability */
}

.welcome-panel button {
    background: #fff;
    color: #6a11cb;
    border: none;
    padding: 12px 25px; /* Adjusted padding for better button size */
    border-radius: 8px;
    cursor: pointer;
    font-size: 1em;
    transition: background 0.3s ease, transform 0.2s ease;
}

.welcome-panel button:hover {
    background: #f3f3f3;
    transform: scale(1.05);
}

/* Form panel */
.form-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px; /* Increased padding for better spacing */
    background-color: #f9f9f9;
    transition: transform 0.5s ease-in-out;
    box-sizing: border-box; /* Ensure padding doesn't overflow */
    background: rgba(255, 255, 255, 0.9); /* Add slight transparency for better contrast with the background image */
}

/* Toggle welcome panel position */
.welcome-left {
    transform: translateX(0);
}

.welcome-right {
    transform: translateX(100%);
}

.form-left {
    transform: translateX(-100%);
}

.form-right {
    transform: translateX(0);
}

/* Ensure proper alignment for smaller screens */
@media (max-width: 768px) {
    .side-by-side-container {
        flex-direction: column;
        height: auto; /* Allow height to adjust dynamically */
    }

    .welcome-panel,
    .form-panel {
        flex: none;
        width: 100%;
        transform: none; /* Disable transform for stacked layout */
    }

    .welcome-panel {
        padding: 20px; /* Reduce padding for smaller screens */
    }

    .form-panel {
        padding: 20px; /* Reduce padding for smaller screens */
    }
}

/* Add vibrant colors to icons */
.input-group .icon {
    color: #6a11cb; /* Default icon color */
    transition: color 0.3s ease;
}

.input-group .icon:hover {
    color: #2575fc; /* Change color on hover */
}

/* Add gradient effect to toggle password eye icon */
.input-group .toggle-password {
    color: #6a11cb;
    background: linear-gradient(135deg, #6a11cb, #2575fc);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: transform 0.3s ease;
}

.input-group .toggle-password:hover {
    transform: scale(1.2); /* Slightly enlarge on hover */
}

/* Remove continuous animation for icons */
.input-group .icon,
.input-group .toggle-password {
    animation: none; /* Disable continuous animation */
    transition: transform 0.3s ease, color 0.3s ease; /* Add smooth transition */
}

/* Add animation only on hover */
.input-group:hover .icon,
.input-group:hover .toggle-password {
    transform: translateY(-5px); /* Bounce effect on hover */
    color: #2575fc; /* Change color on hover */
}

/* Add vibrant colors to buttons */
button {
    background: linear-gradient(135deg, #ff7eb3, #ff758c);
    color: #fff;
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1em;
    transition: background 0.3s ease, transform 0.2s ease;
}

button:hover {
    background: linear-gradient(135deg, #ff758c, #ff7eb3);
    transform: scale(1.05);
}

/* Add gradient effect to welcome panel buttons */
.welcome-panel button {
    background: linear-gradient(135deg, #ff7eb3, #ff758c);
    color: #fff;
    border: none;
    padding: 12px 25px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1em;
    transition: background 0.3s ease, transform 0.2s ease;
}

.welcome-panel button:hover {
    background: linear-gradient(135deg, #ff758c, #ff7eb3);
    transform: scale(1.05);
}

/* Add hover effects to form panel icons */
.form-panel .icon {
    color: #ff7eb3;
    transition: color 0.3s ease;
}

.form-panel .icon:hover {
    color: #ff758c;
}